n = int(input())
a = 0
if 400 <= n <= 599:
    a = 8
elif 600 <= n <= 799:
    a = 7
elif 800 <= n <= 999:
    a = 6
elif 1000 <= n <= 1199:
    a = 5
elif 1200 <= n <= 1399:
    a = 4
elif 1400 <= n <= 1599:
    a = 3
elif 1600 <= n <= 1799:
    a = 2
else:
    a = 1
print(a) n = int(input()) n int(input()) int input() input a = 0 a 0 if 400 <= n <= 599:
    a = 8
elif 600 <= n <= 799:
    a = 7
elif 800 <= n <= 999:
    a = 6
elif 1000 <= n <= 1199:
    a = 5
elif 1200 <= n <= 1399:
    a = 4
elif 1400 <= n <= 1599:
    a = 3
elif 1600 <= n <= 1799:
    a = 2
else:
    a = 1 400 <= n <= 599 400 <= n 400 n 599 a = 8 a 8 elif 600 <= n <= 799:
    a = 7 600 <= n <= 799 600 <= n 600 n 799 a = 7 a 7 elif 800 <= n <= 999:
    a = 6 800 <= n <= 999 800 <= n 800 n 999 a = 6 a 6 elif 1000 <= n <= 1199:
    a = 5 1000 <= n <= 1199 1000 <= n 1000 n 1199 a = 5 a 5 elif 1200 <= n <= 1399:
    a = 4 1200 <= n <= 1399 1200 <= n 1200 n 1399 a = 4 a 4 elif 1400 <= n <= 1599:
    a = 3 1400 <= n <= 1599 1400 <= n 1400 n 1599 a = 3 a 3 elif 1600 <= n <= 1799:
    a = 2 1600 <= n <= 1799 1600 <= n 1600 n 1799 a = 2 a 2 a = 1 a 1 print(a) print a a = 3 3 a a = 2 2 a a = 7 7 a a = 0 0 a a = 4 4 a n = int(input()) int(input()) n a = 8 8 a a = 1 1 a a = 5 5 a a = 6 6 a
n = int(input())
a = 0
if 400 <= n <= 599:
    a = 8
elif 600 <= n <= 799:
    a = 7
elif 800 <= n <= 999:
    a = 6
elif 1000 <= n <= 1199:
    a = 5
elif 1200 <= n <= 1399:
    a = 4
elif 1400 <= n <= 1599:
    a = 3
elif 1600 <= n <= 1799:
    a = 2
else:
    a = 1
print(a)